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$129+ Cheap flights from Greenville to Milwaukee (GSP - MKE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — MKE
kwi 28 — maj 51
pon. 4/28
pon. 5/5
1 adult, Economy
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Cheapflights Tip: The best prices from Greenville to Milwaukee-Mitchell are usually found in September or August, booked 29 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Greenville to Milwaukee

Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to Milwaukee (MKE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated Kwiecień 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$267
(Delta)

One-way from

$129
(American Airlines)

Popular in

February

Cheapest in

September

Average price

$346
Provider with most accurate pricing for Greenville-Milwaukee-Mitchell flight deals.
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Provider most trusted by Cheapflights users for Greenville-Milwaukee-Mitchell flights.
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From Greenville to Milwaukee-Mitchell
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One-way flight from Greenville to Milwaukee-Mitchell
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Greenville to Milwaukee

Cheapest flights from Greenville to Milwaukee
Explore the most affordable flight options available from Greenville to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Kwiecień 23, 2025.

This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 8/712:00 pmGSP - MKE
1 stop4h 06mDelta
pon. 8/114:20 pmMKE - GSP
1 stop4h 11mDelta
Deal found 4/22$267
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 8/204:24 pmGSP - MKE
2 stops6h 03mAmerican Airlines
pon. 8/2510:57 amMKE - GSP
1 stop3h 18mAmerican Airlines
Deal found 4/23$272
This Southwest deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 7/245:45 amGSP - MKE
1 stop4h 45mSouthwest
ndz. 7/276:35 amMKE - GSP
2 stops8h 50mSouthwest
Deal found 4/22$332
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 8/206:03 amGSP - MKE
2 stops10h 06mUnited Airlines
pon. 8/257:00 amMKE - GSP
2 stops6h 16mUnited Airlines
Deal found 4/23$347

Cheapflights Fare Finder

Customize your flight search to find flights from Greenville to Milwaukee that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated Kwiecień 23, 2025.
Use the filters below to find and compare flights from Greenville to Milwaukee that are best for you.

Fly from

Greenville

Fly to

Milwaukee

Route

Depart

Return

Price

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

czw. 8/7

12:00 pm-3:06 pm

1 stop4h 06m

Milwaukee-Mitchell

pon. 8/11

4:20 pm-9:31 pm

1 stop4h 11m

$267

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

śr. 8/20

4:24 pm-9:27 pm

2 stops6h 03m

Milwaukee-Mitchell

pon. 8/25

10:57 am-3:15 pm

1 stop3h 18m

$272

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

czw. 7/24

5:45 am-9:30 am

1 stop4h 45m

Milwaukee-Mitchell

ndz. 7/27

6:35 am-4:25 pm

2 stops8h 50m

$332

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

śr. 8/20

6:03 am-3:09 pm

2 stops10h 06m

Milwaukee-Mitchell

pon. 8/25

7:00 am-2:16 pm

2 stops6h 16m

$347

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

śr. 5/21

7:00 am-11:15 am

1 stop5h 15m

$129

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

śr. 7/23

3:10 pm-11:20 pm

2 stops9h 10m

$149

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

ndz. 6/15

2:49 pm-11:04 am

2 stops21h 15m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Compare providers for flights from Greenville to Milwaukee

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Greenville to Milwaukee in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Greenville-Milwaukee flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Greenville-Milwaukee flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Greenville-Milwaukee flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Greenville-Milwaukee flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Greenville-Milwaukee flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Greenville to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Greenville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Greenville to Milwaukee

How far ahead should I book a flight from Greenville to Milwaukee?

Use this chart to determine the optimal time to book a round-trip flight from Greenville to Milwaukee. Price data was last updated on April 18, 2025.

The best time to book flights from Greenville to Milwaukee is 28 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Greenville to Milwaukee?

Currently, February is the cheapest month in which you can book a flight from Greenville to Milwaukee (average of $280). Flying from Greenville to Milwaukee in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GSP to MKE?

Find hourly flight availability from Greenville to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated Kwiecień 23, 2025.

When flying from Greenville to Milwaukee, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 27% versus a flight at noon.

Rainfall in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Milwaukee ranges from 1.4 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. January is typically the driest time to visit Milwaukee when rainfall is around 1.4 in.

Temperature in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Milwaukee, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Milwaukee. Reviews last updated Kwiecień 23, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Greenville to Milwaukee to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Comfort

8.0

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Comfort

8.0

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,920 reviews
Southwest
8.0
Very good
4,287 reviews

Comfort

8.0

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,683 reviews
Southwest
8.0
Very good
4,287 reviews

Comfort

8.0

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Comfort

8.0

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Greenville to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Greenville to Milwaukee round-trip?

    Currently priced at $267, Delta will fly you from Greenville to Milwaukee and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Southwest - these airlines can fly you to your destination from $272 and $332, respectively. Delta is currently priced 29% below the average price you’ll pay for this route.

  • Can I find deals for flights from Greenville to Milwaukee that include hotel bookings?

    Yes. In addition to deals on Greenville to Milwaukee flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Greenville to Milwaukee?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greenville to Milwaukee.

  • Can I find deals for business class flights from Greenville to Milwaukee?

    Yes. Cheapflights offers flight deals from Greenville to Milwaukee by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Greenville to Milwaukee?

    Currently, February is the cheapest month in which you can book a flight from Greenville to Milwaukee (average of $280). Flying from Greenville to Milwaukee in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Greenville?

Book flights to Greenville if you plan to visit one of these locations
Mequon
Pewaukee
Sheboygan
Oak Creek
Wauwatosa

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Top 3 airlines flying from Greenville to Milwaukee

Discover the top 3 airlines that operate flights from Greenville to Milwaukee. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated Kwiecień 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$235Average$346FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$244Average$344FlexibilityNo cancel feeOn-time71%
DeltaCheapest$247Average$337FlexibilityNo cancel feeOn-timeN/A

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